435.5 g/kg = 437.634 PSU
| g/kg | PSU |
|---|---|
| 420.5 g/kg | 422.56 |
| 425.5 g/kg | 427.585 |
| 430.5 g/kg | 432.609 |
| 435.5 | 437.634 |
| 440.5 g/kg | 442.658 |
| 445.5 g/kg | 447.683 |
| 450.5 g/kg | 452.707 |
435.5 g/kg = 437.634 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)